Kuzhambu as Prasādam
Kuzhambamuthu (Tamil: kuzhambu = a thick gravy/stew, typically tamarind and lentil based + amuthu = nectar; 'the nectar of kuzhambu') is the devotional name for the kuzhambu (a South Indian thick gravy — roughly equivalent to sāmbar) when served as prasādam. It is one of the staple components of a traditional Śrī Vaiṣṇava prasādam meal.
Part of the Full Meal
A complete Śrī Vaiṣṇava prasādam meal (tatiyārādhanam) typically includes rice (amudhapadi), sambar/kuzhambu (kuzhambamuthu), rasam (sātramuthu), vegetable dish (kariamuthu), curd rice (thayiramuthu), and sweets (thirukaṇṇamuthu / akkāra aḍisil). Each component is offered to the deity first and distributed as prasādam.
Sacred Association
The preparation of kuzhambu in the temple kitchen follows specific recipes and proportions that have been preserved through generations. The ingredients — tamarind, lentils, vegetables, spices — are all sattvic (pure), avoiding onion, garlic, and other items considered unsuitable for sacred preparation.